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R&D Systems™ Human TGF-beta 1 Recombinant Protein Available on GSA/VA Contract for Federal Government customers only.

For use in cell or tissue culture applications.

Manufacturer:  R&D Systems™ 240B002/CF

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Catalog No. 240B002CF


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Description

Description

Measured by its ability to inhibit the IL-4-dependent proliferation of HT-2 mouse T cells. Tsang, M. et al. (1995) Cytokine 7:389. The ED 50 for this effect is 0.04-0.2 ng/mL. The specific activity of Recombinant Human TGF-beta 1 is approximately 2.5 x 10 4 U/µg, which is calibrated against human TGF-beta 1 Standard (NIBSC code: 89/514).

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Specifications

Specifications

Lyophilized from a 0.2μm filtered solution in Acetonitrile and TFA.
12.8 kDa (monomer)
97%, by SDS-PAGE with silver staining.
Human
Disulfide-linked homodimer
Yes
7040
TGF-beta 1
2μg
Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70° C as supplied. 1 month, 2 to 8° C under sterile conditions after reconstitution. 3 months, -20 to -70° C under sterile conditions after reconstitution.
Unlabeled
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